How to fix the Oracle error ORA-30766: cannot modify scope for a REF column with a REFERENCES constraint?

In this post, you’ll learn more about the Oracle ErrorORA-30766: cannot modify scope for a REF column with a REFERENCES constraint with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-30766: cannot modify scope for a REF column with a REFERENCES constraint

Reason for the Error ORA-30766: cannot modify scope for a REF column with a REFERENCES constraint

An attempt was made to modify the scope for a REF column with a REFERENCES constraint.

How to fix the Error ORA-30766: cannot modify scope for a REF column with a REFERENCES constraint ?

You can fix this error in Oracle by following the below steps

Drop the REFERENCES constraint, and retry the operation.